Removed encore added books crud

assets/bootstrap.js

@@ -1,11 +0,0 @@
-import { startStimulusApp } from '@symfony/stimulus-bridge';
-
-// Registers Stimulus controllers from controllers.json and in the controllers/ directory
-export const app = startStimulusApp(require.context(
-    '@symfony/stimulus-bridge/lazy-controller-loader!./controllers',
-    true,
-    /\.[jt]sx?$/
-));
-
-// register any custom, 3rd party controllers here
-// app.register('some_controller_name', SomeImportedController);